PING www.xiazhidao.cn (38.12.203.80) 56(84) bytes of data.
64 bytes from 38.12.203.80 (38.12.203.80): icmp_seq=1 ttl=122 time=158 ms
64 bytes from 38.12.203.80 (38.12.203.80): icmp_seq=2 ttl=122 time=158 ms
64 bytes from 38.12.203.80 (38.12.203.80): icmp_seq=3 ttl=122 time=161 ms

--- www.xiazhidao.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 158.458/159.665/161.692/1.513 ms